Spool



Patented Sept. 29, 1925.

UNITED STATES PATENT OFFICE,

WILLIAM C. ANTHONY, OF STREATOR, ILLINOIS,.ASSIGNOR TO ANTHONY COMPANY FSTREATOR, ILLINOIS, A CORPORATION OF ILLINOIS.

SPOOL.

Application led June 5, 1924. 'Serial No. 717,927.

To all whom t may concern:

Be it known that I, -WILLIAM C. ANTHONY,

a citizen of the United States, residing at Streator, in the county ofLa Salle and State of Illinois, have invented a certain new and usefulImprovement in Spools, of which the following is a specification.

This invention relates to a spool for use in connection with hoists. Ithas for one object to provide a spool which may be of small diameter andwhich when used with ra cable will not kink or twist or votherwiseinjure the cable. It has for another object to provide a spool to whichcable may be attached and with rela-tion to which the cable is free torotate so as to avoid twisting. Other objects will appear from time totime throughout the specification and claims.

My inventionis illustrated more or Vless diagrammatically in theaccompanying drawing, wherein:

Figure 1 is a side elevation of the spool showing the cable in section;

Figure 2 is an end elevation of the spoo lshowing the cable in place;

Figure 3 is a detail view showing the cab'le end.

Like parts are designated by like characters throughout.

The spool is formed of a main body A which is provided with a centralbore A1 and a key-way A2. The body of the spool about which the windingsurface A3 is formed is preferably of varying thickness so that thespool gradually increases in diameter from one end to the other. The

y winding surface is provided with a helical depression adapted toreceive the cable as it is wound onto the spool. f At one end the spoolis provided with a laterally extending generally circular flange B. Atthe other end it is provided with a flange C. This flange is providedwith an outwardly extending enlargement C1, and a laterally bent cablereceiving track or portion C2. VThis portion communicateswith anopen-sided cable receiving pocket D provided with the enlarged outerAend D1 and the slotted side D2. The portion C1 also carries the cablereceiving depression E which is curved as shown particularly `in Figure2. This cable receiving portion E is eurved away from the windingportion A/3 of the spool and is preferably of a curvature at least aslarge as the smallest curvature of thespool proper.

The cable F is normally associated with the end enlargement F1 which`may be of any suitable construction, but is larger than the smallestdiameter of the pocket within which the cable is fitted.

G is a Cotter-pin mounted in the portion D1 and adapted to preventoutward movement or displacement of the cable.

Although I have illustrated an operative device, still it will beobvious that many changes might be made in size, shape and arrangementof parts without departing materially from the spirit of my invention;and I wish, therefore, that my showing be taken as in a sense diagimniatic.

The use and operation of my inventionV are as follows.

The spool is associated usually ,withv some form of hoisting mechanism.To attach the cable, to the spool, the Cotter-pin is withdrawn, and thecable is drawn back so that the enlarged end does not at first come intothe cable receiving pocket. The cable itself is then moved side-waysthrough the slotted side of the cable receiving pocket and is then drawnforward so that the enlarged end is brought into and seated within thecable receiving pocket. The cotter pin is then replaced and the cable isthen held against lateral or axial displacement from the spool, and atthe same time a construction is provided by means of which readyrenewals and replacements of cables can be carried out.

vWhen the hoisting takes place,rthe spool normally rotates in thedirection of the arrow in Figure 2. The cable is thus wound about theexterior of the spool. If the spool is associated with the hoistingmeans, the hoisting will be carried out in the "manner described. Whenthe movement is to be reversed, usually the device which has hoisted isallowed to return, `largely if not entirely by reason of its own weight,and the spool is thus rotated in the reverse direction and the cableunwound from 'it by the weight of the device which it has hoisted. Insuch reverse movement considerable momentum is frequently develol'ied.vWhen the cable has been completely unwound from lthe spool, thespoolwill frequently continue its rotation in the unwinding direction. Whenthis takes place, the portion E engages the cable and to a limiteddegree the cable is wound about that portion. Since that portion iscurved it does not kink or crease or otherwise injure the cable, and byreason of its curvature, it serves as a track which absorbs the shockand cushions it and stops the reverse movement of the spool, withoutinjuring the mechanism or the cable.

By reason of the loose mounting of the cable end within the spool, itmay shift and rotate within this mounting and thus twisting of the cableabout the spool is prevented, and normal winding and unwinding'of thecable is permitted.

The radius of curvature of the part C1 is constantly increasing. Itsinitial curvature is the saine as that of the small stportion of themain winding surface of the spool proper, and its radius of curvatureincreases constantly from that point to its upper or outer end. Thus thecable as it winds onto the portion C1 on the receiving part E isbentabout a curve of constantly increasing radius of curvature.

I claim:

l. In combination with a winding spool, a cable adapted to be woundthereon and means on the spool adapted, in combination with the cable,to cushion and stop reverse movement of the spool in the unwindingdirection.

2. In combination with a winding spool, a cable adapted to be woundthereon and means on the spool adapted to contact the cable andtherewith to push it and stop reverse movement of' the spool in theunwinding direction.

3. In combination with a winding spool, a cable adapted to be woundthereon and means on the spool adapted, in combination with the cable,to cushion and stop reverse movement ofthe spool in the unwindingdirection after thecompletion of the unwind-- ing.

4. In combination with a winding spool, a cable adapted to be woundthereon and means on the spool adapted to contact the cable andtherewith to push it and stop reverse movement of the spool in theunwinding direction after the completion of the unwinding. i

5. In combination with a winding spool, a cable adapted to be woundthereon and means on the'spool adapted to contact the cable while thelatter is under tension, and therewith to push it and stop reversemovement of the spool in the unwinding direction after the completion ofthe unwinding.

6. In combination in a spool, a part adapted normally to receive a cableand an additional part adapted to receive said cable, said second partbeing curved outwardly away from thevno'rmal winding surface of thespool to receive the cable after the saine has been fully unwound fromthe spool.

7. In combination in a spool, a part adapted normally to receive a cableand an additional part adapted to rec ive said cable,

said second part being curved outwardly away from the normal windingsurface of the spool to receive the cable after the same has been fullyunwound from the spool, said second cable receiving part spacedlaterally beyond the normal cable receiving part of the spool..

8. In combination in a spool, a part adapted normally to receive a cableand an additional part adapted to receive said cable, said second partbeing curved away from the normal winding surface of the spool toreceive the cable after the same has been fully unwound from the spool,said scond cable receiving part having a curvature as great as that ofthe cable receiving portion of the spool proper.

9. In combination in a spool, a part adapted normally to receive a cableand an additional part adapted to receive said cable, said secondportion being curved away from the normal winding surface of the spoolto receive the cable after the same has been fully unwound from thespool, said second cable receiving part having a radius of curvaturegreater than that of the cable rcceiving portion of the spool proper.

l0. In combination in a winding spool, a surface adapted to receive acable, a laterally bent cable receiving part, said cable receiving partbeing curved away from the normal winding surface of the spool itselfand adapted to receivethe cable after the same has been unwound from thespool and to cushion reverse movement ofthe spool.

11. In combination in a winding spool, a surface adapted to receiveacable, a laterally bent cable receiving part, said cable receiving partbeing curved away'fr'om the normal winding surface ofthe spool itselfand adapted to receive the cable after the same has been unwound fromthe spooland to prevent sharp bending of the cable.

12. In combination in a winding spool, a surface shaped to receive acable, a flange about one end of the spool and a laterally bent cablereceiving portion at the other end of the spool, said cable receivingportion being curved away from the normal winding surface of the. spoolitself and adapted to receive the cable after 'the saine has been fullyunwound from the spool.

y13. In combination with a spool, a cable attaching part including aclosed cable receiving chamber of varying interior diameter, saidchamber having a slot in one side.

14. In combination with a spool, a cable attaching part including aclosed cable receiving chamber of varying interior diameter, saidchamber having a slot in one side,

llO

and a cable receiving portion separate from the normal cable receivingsurface of the spool and curved outwardly away from said surface.

15. In combination with a spool, a cable attaching part including aclosed cable end receiving chamber interiorly tapered, said chamberhaving a slot in one side, and a cable receiving portion separate fromthe normal cable receiving surface of the spool and curved outwardlyaway from said surface.

16. In combination with a spool, a cable and a cable receiving portionon said spool, said cable provided with an enlarged end, said cablereceiving portion including a hole of varying interior diameter havingan open side through which the cable may be slipped, the size of theopening being less than that of the enlarged end of the cable.

17. In combination'with a spool, a cable and a cable receiving portionon the spool, the cable having an enlarged end, the cable receivingportion including a hole of varying interior size, a portion of the holebeing substantially the same size as that of the cable, and anotherportion of the hole being substantially the same size as that of theenlarged end of the cable, there being a slit in the side of said cablereceiving portion of a size less than that of the enlarged end of thecable and larger than the thickness of the cable itself, said cableadapted to be slipped through said slot and pulled forward to seat itsenlarged end in the enlarged portion of the hole, and means forpreventing withdrawal of the cable from the hole.

18. In combination in a spool, a part adapted normally to receive acable and an additional part adapted to receive said cable, said secondpart being curved away from the norinal winding surface of the spool toreceive the cable after the same has been fully unwound from the spool,said second cable receiving part having a radius of curvature greaterthan that of the cable receiving portion of the spool proper.

19. In combination in a spool, a part adapted normally to receive acable and an additional part adapted to receive said cable, said secondpart being curved away from the normal winding surface of the spool toreceive the cable after the same has been fully unwound from the spool,said second cable receiving part having a curvature of constantlyincreasing radius.

Signed at Chicago, county of Cook, and State of Illinois, this 29th dayof May, 1924.

WILLIAM C. ANTHONY.

